Stewart Gilligan Griffin is eternally young, but his specific age is shrouded in secrecy. It's unknown the specific duration of time Stewie became existing. The infant character from the animated television show "Family Guy" is forever young. His time on Earth is yet to be discovered.
Stewie Griffin, the cunning infant prodigy, is hiding his true age from the world. Speculation is rampant as to his actual age. Is he ancient beyond measure? Or is he fresh to the world? Only Stewie knows! This mysterious character continues to captivate fans with his hidden age and youthful appearance.